. After Gear 2 and Gear 3 prove insufficient against the Warlord’s awakened powers, Luffy retreats briefly to activate this new form, which he developed during his two-year timeskip training on Rusukaina. Conditions for Use Luffy uses Gear 4 when he faces an "immovable object" or an opponent whose durability and speed outmatch his base forms. Because Gear 4 consumes massive amounts of Haki and leaves him unable to use Haki or even stand for ten minutes after it wears out, he treats it as a definitive finisher rather than an opening move. Key Appearances and Forms As the series progresses, Luffy adapts Gear 4 into different forms to counter specific fighting styles: Boundman (Dressrosa/Whole Cake Island/Wano): The default version. Luffy uses this for high-impact power and flight. It was his primary weapon against
In their first bout, Luffy used Gear 4 (Boundman) immediately after realizing base form attacks were like "mosquito bites" to Kaido. However, the most distinct usage here was against Katakuri (technically Whole Cake Island, but leading into Wano), where he utilized "Snakeman." when does luffy use gear 4